Triangular Headboard Wedge Pillow 80 x 50 x 20 cm, Black Why this wedge pillow matters Provides stable upright support for sitting up in bed or on a sofa without adding bulky furniture. Converts a sofa bed or mattress on the floor into a comfortable backrest and headboard area. Removable backrest and large cushion design let you adjust support and positioning to match your preferred posture. Key features and benefits Triangular wedge shape delivers consistent, spacesaving support across the full width of the pillow. Removable backrest element allows flexible setup: use as a single wide backrest or separate into larger cushions for targeted support. Large cushions create a continuous, even surface that prevents sliding and keeps you comfortably positioned. Designed for multiuse: works as a headboard wedge, sofa bed backrest, or general positioning support pillow. Color and size: black finish, dimensions 80 x 50 x 20 cm for broad compatibility with most beds, sofas, daybeds, and floor seating. Function, compatibility, and performance Function: Upright positioning and backrest support for sitting, reading, watching, or working on a laptop. Compatibility: Fits most single and double beds, sofa beds, futons, and mattresses placed on the floor or platform beds. Performance: Stable triangular geometry and generous cushion size provide reliable, even support across the back and shoulders while maintaining a compact profile. Practical use scenarios Reading in bed: Place the wedge along the headboard area to create a comfortable, upright reading posture without extra furniture. Working on a laptop on a sofa bed: Use the pillow as a stable backrest to keep your laptop workspace comfortable and positioned. Guest setup or floor seating: Quickly convert a mattress on the floor into an organized sleeping and seating area with a builtin backrest. What to expect A versatile, triangular wedge pillow designed to improve sitting comfort and positioning on beds and sofas. Simple, adaptable configuration with removable backrest and large cushions to match different seating needs. Clear dimensions and a neutral black color for broad usability and easy integration into existing bedroom or living room setups.